RRR is 5%. Loans are deposited in checking accounts. If the Fed sells $1000 of US bonds to a commercial bank. What can we expect to happen?

The money supply will FALL:

A) by $20,000

B) by $1,000

Money supply will INCREASE:

C) by $20,000

D) by $1,000

OR:

E) The money supply will be unchanged

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An economy in which MPC is .95 and RRR is 10%. If imports increase by 15, what is he change in real GDP?

A) -300

B) -150

C) 300

D) Impossible to determine with provided information

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So, I think the answer to #1 is E, and #2 is D.

If I could get any help it would be much appreciated, just trying to understand all of this. Thank you very much for your time!